code: def afx_clip():
      hparams = afx_base()
      hparams.optimizer_adafactor_clipping_threshold = 1.0
      return hparams
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensor2tensor.models import transformer
  from tensor2tensor.utils import registry
label_desc: Use image node_id 7 for calling a global function with example usage: afx_clip() and returns: hparams